Potluck

n.

1.

Whatever may chance to be in the pot, or may be provided for a meal. A woman whose potluck was always to be relied on. - G. Eliot. To take potluck to take what food may chance to be provided.

Noun

1.

potluck - whatever happens to be available especially when offered to an unexpected guest or when brought by guests and shared by all; "having arrived unannounced we had to take potluck"; "a potluck supper"

meal, repast